Maps and Cross Sections of the Bemidji Research Site

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Directions and maps to get to the Bemidji research site.
Site location map (64 KB) (modified from Smith and Hult, 1993).
Well and test hole location maps:
- General overview map: JPG (68 KB) or PDF (267 KB) (modified from Smith and Hult, 1993).
- North and south pool detailed map: JPG (140 KB) or PDF (375 KB) (modified from Smith and Hult, 1993).
- Map of wells along transect northeast of trailer: JPG (163 KB) or PDF (216 KB) (modified from Smith and Hult, 1993).
- Series of maps showing detailed locations of wells and test holes:
  - JPG format: Overview showing north pool maps NWT0-NWT6 | NWT-1 | NWT0 | NWT1 | NWT2 | NWT3 | NWT4 | NWT5 | NWT6 | South pool wells and test holes | 310site | 707site
  - PDF format: Overview showing north pool maps NWT0-NWT6 | NWT-1 | NWT0 | NWT1 | NWT2 | NWT3 | NWT4 | NWT5 | NWT6 | South pool wells and test holes | 310site | 707site
Cross-sections:
- Geologic cross-section (14 KB), A-A', along axis of north pool plume.
- Geologic cross-section extended east to unnamed lake (838 KB), A-A', along axis of north pool plume.
- Geochemical zonation (17 KB) diagram.
Water table maps:
- Water table configuration, August 9, 1997: JPG (116 KB) or PDF (34 KB).
- Water table configuration, September, 1996: JPG (116 KB) or PDF (34 KB). Data files for the sampling period: 9-96wolv.xls (Excel 7.0, 26 KB) and 9-96wolv.txt (tab delimited text, 6 KB).
- Water table configuration, June 16, 1992 (119 KB).
- Regional water table configuration, June 16, 1992 (16 KB).
Other maps:
Map showing extent (157 KB) of the crude oil on land surface in 1979.
Approximate extent of the 10 ppb dissolved BTEX concentration as of 1996 (606 kb), 17 years after the spill. By 1996 the dissolved BTEX had migrated about 200 meters from the point of infiltration.

Reference: Smith, S.E., and Hult, M.F., 1993, Hydrogeologic data collected from a crude-oil spill site near Bemidji, Minnesota, 1983-91: U.S. Geological Survey Open-File Report 93-496, 158 p.